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@article{1628536,
author = {Masárová, Lucia and Novák, Jan and Pešl, Martin and Ondrášek, Jiří and Seménka, Jiří and Šimarová, Eva and Panovský, Roman},
article_location = {London},
article_number = {1},
doi = {http://dx.doi.org/10.1186/s12872-019-01279-1},
keywords = {Cardiac magnetic resonance; Echocardiography; Atrial fibrillation; Recurrent thrombus; Gigantic left atrium; Anticoagulant therapy},
language = {eng},
issn = {1471-2261},
journal = {BMC Cardiovascular Disorders},
title = {Reccurent thrombus in the gigantic left atrium during effective anticoagulant therapy: case report},
url = {http://dx.doi.org/10.1186/s12872-019-01279-1},
volume = {20},
year = {2020}
}
TY - JOUR
ID - 1628536
AU - Masárová, Lucia - Novák, Jan - Pešl, Martin - Ondrášek, Jiří - Seménka, Jiří - Šimarová, Eva - Panovský, Roman
PY - 2020
TI - Reccurent thrombus in the gigantic left atrium during effective anticoagulant therapy: case report
JF - BMC Cardiovascular Disorders
VL - 20
IS - 1
SP - 1-7
EP - 1-7
PB - Biomed Central Ltd
SN - 14712261
KW - Cardiac magnetic resonance
KW - Echocardiography
KW - Atrial fibrillation
KW - Recurrent thrombus
KW - Gigantic left atrium
KW - Anticoagulant therapy
UR - http://dx.doi.org/10.1186/s12872-019-01279-1
L2 - http://dx.doi.org/10.1186/s12872-019-01279-1
N2 - Background Gigantic left atrium is defined in the current literature as an excessive dilatation of the left atrium above 65mm. Chronic mitral valve disease is associated with the development of thrombus in the left atrium in up to 19% of all cases of mitral insufficiency and appropriate treatment must be initiated to prevent thromboembolic events. In order to diagnose thrombi in the left atrium or left atrial appendage, various imaging methods may be used, including cardiac magnetic resonance. Case presentation The case report describes a 73-year-old male who developed recurrent sessile thrombus on the posterior wall of the gigantic left atrium. A large thrombus was first detected following mitral valve surgery despite effective vitamin K antagonist anticoagulation therapy. Echocardiography and cardiac magnetic resonance were used within the diagnostic procedure and to monitor the treatment outcomes. Cardiac magnetic resonance was shown to be beneficial as it provided a more precise description of the intra-atrial masses located on the posterior left atrial wall, and in such situations, is of greater benefit than standard echocardiography. This led to the surgical removal of the intra-atrial mass; nevertheless, it was quickly followed by the recurrence of the thrombus. The anticoagulant therapy was adjusted and fortified by the introduction of acetylsalicylic acid and sequentially clopidogrel, but this also did not resolve the thrombus formation. Finally, employing a combination of rivaroxaban and clopidogrel resulted in partial thrombus regression. Therefore, various pathophysiological aspects of thrombus formation and used anticoagulation strategies are discussed. Conclusions We describe a unique case of a recurrent thrombus located on the posterior wall of the gigantic left atrium. Cardiac magnetic resonance was shown to be beneficial in providing a more precise description of the intra-atrial masses located on the posterior left atrial wall as compared to standard echocardiographic examination. Development of a thrombus after mitral valve surgery despite effective anticoagulant therapy and its final resolution by introducing a combination of rivaroxaban and clopidogrel highlights the complex etiopathogenesis of thrombus formation. This supports the potential use of this combination in tailoring an individual personalized therapy for patients with recurrent atrial thrombi.
ER -
MASÁROVÁ, Lucia, Jan NOVÁK, Martin PEŠL, Jiří ONDRÁŠEK, Jiří SEMÉNKA, Eva ŠIMAROVÁ and Roman PANOVSKÝ. Reccurent thrombus in the gigantic left atrium during effective anticoagulant therapy: case report. \textit{BMC Cardiovascular Disorders}. London: Biomed Central Ltd, 2020, vol.~20, No~1, p.~1-7. ISSN~1471-2261. Available from: https://dx.doi.org/10.1186/s12872-019-01279-1.
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